Title:
SOUND GENERATION DEVICE AND SOUND GENERATION DEVICE MOUNTING STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2016/067708
Kind Code:
A1
Abstract:
Provided are a sound generation device and a sound generation device mounting structure capable of sufficiently increasing a sound pressure without an increase in the size of a device to which the sound generation device is mounted. A sound generation device 1 comprises: a case 2 which has a top board 2a and a side wall 2b extending downward from the outer periphery of the top board 2a, and is open on the lower end side of the side wall 2b; a support 2c provided on the inner surface of the side wall 2b of the case 2; and a diaphragm 4 secured to the case 2 via the support 2c. A first space B opening downward and surrounded by the diaphragm 4 and the side wall 2b of the case 2 is formed under the diaphragm (4). A notch 2b2 is provided at the lower end 2b1 of the side wall 2b of the case 2.
Inventors:
YAMAUCHI MASAKAZU (JP)
Application Number:
PCT/JP2015/072512
Publication Date:
May 06, 2016
Filing Date:
August 07, 2015
Export Citation:
Assignee:
MURATA MANUFACTURING CO (JP)
International Classes:
G10K9/122
Foreign References:
| JPH0616997U | 1994-03-04 | |||
| JPS50136366U | 1975-11-10 |
Attorney, Agent or Firm:
MIYAZAKI & METSUGI (JP)
Patent business corporation Miyazaki and table-of-contents patent firm (JP)
Patent business corporation Miyazaki and table-of-contents patent firm (JP)
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